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What is the diameter and radius?​
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What is the diameter and radius?​

What is the diameter and radius?​-example-1
User Iagreen
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1 Answer

6 votes

Circumference C=2pi*r

But in question C=40pi

This implies that 2pi*r=40pi

This implies that r=20 in.

d=2*r=40 in.

Hope this helps :)

User Testing
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